20451798

素因数分解:

$2^1\times 3^3\times {\mathrm{467}}^1\times {\mathrm{811}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 45601920

約数和(自身を除く): 25150122

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 467, 811, 934, 1401, 1622, 2433, 2802, 4203, 4866, 7299, 8406, 12609, 14598, 21897, 25218, 43794, 378737, 757474, 1136211, 2272422, 3408633, 6817266, 10225899, 20451798]

約数ペア:

[(1, 20451798), (2, 10225899), (3, 6817266), (6, 3408633), (9, 2272422), (18, 1136211), (27, 757474), (54, 378737), (467, 43794), (811, 25218), (934, 21897), (1401, 14598), (1622, 12609), (2433, 8406), (2802, 7299), (4203, 4866)]